hostapd unknown errors

[Dimitris Theoharis]

Hello

hostapd + wlan0 worked as an AP only for few minutes , then it gives
me this errors whenever i am trying to start hostapd. What does it
mean..? How do i fix it?
THanks




 hostapd -dd /etc/hostapd/hostapd.conf
Configuration file: /etc/hostapd/hostapd.conf
ctrl_interface_group=0
ioctl(SIOCGIFINDEX): No such device
hostap driver initialization failed.
rmdir[ctrl_interface]: No such file or directory



no such device for what? wlan0 is up and running..


 iwconfig
lo        no wireless extensions.

eth1_rename  no wireless extensions.

wifi0     IEEE 802.11b  ESSID:"test"  Nickname:""
          Mode:Master  Access Point: Not-Associated   Bit Rate:11 Mb/s
          Sensitivity=1/3
          Retry limit:8   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off

eth2      no wireless extensions.

wlan0     IEEE 802.11b  ESSID:"test"  Nickname:""
          Mode:Master  Access Point: Not-Associated   Bit Rate:11 Mb/s
          Sensitivity=1/3
          Retry limit:8   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

wlan0ap_rename  IEEE 802.11b  ESSID:"test"  Nickname:""
          Mode:Master  Access Point: 00:09:5B:91:B2:A5   Bit Rate:11 Mb/s
          Sensitivity=1/3
          Retry limit:8   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off